Mouthpiece



FIG. 1 is a rear perspective view of a first embodiment of themouthpiece;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a top view thereof, the bottom view thereof being identical;

FIG. 4 is a left side view thereof, the right side view thereof beingidentical;

FIG. 5 is a rear view thereof; and

FIG. 6 is a front view thereof;

FIG. 7 is a rear perspective view of a second embodiment of themouthpiece;

FIG. 8 is a front perspective view thereof;

FIG. 9 is a top view thereof, the bottom view thereof being identical;

FIG. 10 is a left side view thereof, the right side view thereof beingidentical;

FIG. 11 is a rear view thereof; and,

FIG. 12 is a front view thereof.

The ornamental design for a mouthpiece, as shown and described.